137643573502 has 8 divisors (see below), whose sum is σ = 208359538200. Its totient is φ = 68190394104.

The previous prime is 137643573493. The next prime is 137643573517. The reversal of 137643573502 is 205375346731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315696052 + ... + 315696487.

It is an arithmetic number, because the mean of its divisors is an integer number (26044942275).

Almost surely, 2^137643573502 is an apocalyptic number.

137643573502 is a deficient number, since it is larger than the sum of its proper divisors (70715964698).

137643573502 is a wasteful number, since it uses less digits than its factorization.

137643573502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631392650.

The product of its (nonzero) digits is 1587600, while the sum is 46.

The spelling of 137643573502 in words is "one hundred thirty-seven billion, six hundred forty-three million, five hundred seventy-three thousand, five hundred two".